White noise machine



FIG. 1 is a front elevational view of a white noise machine showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a perspective view thereof.

The entire bottom surface, defined by the innermost solid line in FIG. 6, including the features shown in broken lines, but excluding the four protruding circular feet, forms no part of the claimed design. 

CLAIM The ornamental design for a white noise machine, as shown and described. 